What is the best way to make multiple render passes over the same scene
graph to the default buffer. What I would like to do is the following
passes:
- Render the scene normally
- For [0-N]
- Render scene to an cubemap
- Render scene with a custom shader
The order here is very important, and as far as I can tell doesn't fit well
into the default behavior of OpenSG. I believe that by default OpenSG
traverses the tree adding partitions for each stage that it visits. Then it
renders each partition in reverse order, *ending* with the default partition
that renders the entire scene.
My current plan is to create a new custom stage field container that
disables the default partition, starts a group, and then pushes each
partition in the order that I want. Does this sound like the best way to
accomplish this behavior? Would it also make sense to create a top level
stage that simply pushes a partition group, and then have child stage nodes
that are traversed in order to add the rest of the partitions.
[GroupStage] <-- Doesn't seem to be the same as the current group
stage in OpenSG
/ \
[DefaultStage] [0-N CustomStages] <-- Does something exist that has this
"default" behavior
Thank you,
Aron
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